Overview

overview

10

Static

static

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Hej.rar

  • Size

    1.0MB

  • Sample

    240623-cdme5avgka

  • MD5

    ad04539b7f9534681381bcf260f2c78f

  • SHA1

    e13f8aaaa16bc66eabc677557c27a6e67bc18207

  • SHA256

    637b8e3008f869172fceecead19cfbd599a21c25e6689b0baf71548656dd9240

  • SHA512

    02fa4b183afd9b1fd5d1bc46e00314189d983eaa83b8ebf2717eda6b69e1e007e804ec01f949511600a0e51decf744322e229cb4718f3cfd787e022988fcf4da

  • SSDEEP

    24576:J8XGGsvsPAGw3I32Hx/bcg5Z2+5kKPqs6mbtIXv:Jdzsjw3I3g9b95QaPqDeU

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.100.103:4782

Mutex

57e04f96-6972-408c-aaf5-69b9178499bb

Attributes
  • encryption_key

    7418B88D83825E6FE1BDFAC1C4F00C0BCC5250AC

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      b018c0668393c4dacd6762427a6e44b1

    • SHA1

      18060acb5dcf4794033eeb9840a30eb9a3ec1a7d

    • SHA256

      4e1d105b9086b1dc86ad06aa3e2653d9f5f34e127bd07889dc63262b6b99bd0f

    • SHA512

      cc94294aff5677618e4c1a62c2b08e3deb5f17e1bf4d0907ae8f22d4c34e3762da33d4d40e69e93c3c954a9c18d955c409bac1b5b89482376b39e4a20682a25c

    • SSDEEP

      49152:DvrI22SsaNYfdPBldt698dBcjHjOLVrnMfG3oGdNTHHB72eh2NT:DvU22SsaNYfdPBldt6+dBcjHjQVrl

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

2
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks